fix thread leak (#15497)

Pengzna · web-flow · commit a63b608394d1 · 2025-05-14T09:39:52.000+08:00
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/receiver/protocol/pipeconsensus/PipeConsensusReceiver.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/receiver/protocol/pipeconsensus/PipeConsensusReceiver.java
@@ -1068,6 +1068,16 @@ public synchronized void handleExit() {
       tsFileWriterCheckerFuture.cancel(false);
       tsFileWriterCheckerFuture = null;
     }
+    // shutdown executor
+    scheduledTsFileWriterCheckerPool.shutdownNow();
+    try {
+      if (!scheduledTsFileWriterCheckerPool.awaitTermination(30, TimeUnit.SECONDS)) {
+        LOGGER.warn("TsFileChecker did not terminate within {}s", 30);
+      }
+    } catch (InterruptedException e) {
+      LOGGER.warn("TsFileChecker Thread {} still doesn't exit after 30s", consensusPipeName);
+      Thread.currentThread().interrupt();
+    }
     // Clear the tsFileWriters, receiverBuffer and receiver base dirs
     requestExecutor.clear(false, true);
     LOGGER.info("Receiver-{} exit successfully.", consensusPipeName.toString());
